int FilteredConsumer::detach( Filter &filter )
{
if ( filter.is_valid( ) )
{
Service *it = new Service( *first );
while ( it->is_valid( ) && it->get_service( ) != filter.get_service( ) )
{
Service *consumer = it->consumer( );
delete it;
it = consumer;
}
if ( it->get_service( ) == filter.get_service( ) )
{
Service *producer = it->producer( );
Service *consumer = it->consumer( );
consumer->connect_producer( *producer );
Service dummy( NULL );
it->connect_producer( dummy );
if ( first->get_service( ) == it->get_service( ) )
{
delete first;
first = new Service( *consumer );
}
}
delete it;
}
return 0;
}
int FilteredProducer::detach( Filter &filter )
{
if ( filter.is_valid( ) )
{
Service *it = new Service( *last );
while ( it->is_valid( ) && it->get_service( ) != filter.get_service( ) )
{
Service *producer = it->producer( );
delete it;
it = producer;
}
if ( it->get_service( ) == filter.get_service( ) )
{
Service *producer = it->producer( );
Service *consumer = it->consumer( );
if ( consumer->is_valid( ) )
consumer->connect_producer( *producer );
Profile p( get_profile() );
Producer dummy( p, "colour" );
dummy.connect_producer( *it );
if ( last->get_service( ) == it->get_service( ) )
{
delete last;
last = new Service( *producer );
}
}
delete it;
}
return 0;
}